| Base | Representation |
|---|---|
| bin | 1101011011011000010100 |
| 3 | 20121211120010 |
| 4 | 31123120110 |
| 5 | 1400120040 |
| 6 | 203240220 |
| 7 | 41630310 |
| oct | 15333024 |
| 9 | 6554503 |
| 10 | 3520020 |
| 11 | 1a94709 |
| 12 | 1219070 |
| 13 | 96326a |
| 14 | 678b40 |
| 15 | 497e80 |
| hex | 35b614 |
3520020 has 144 divisors (see below), whose sum is σ = 12378240. Its totient is φ = 731136.
The previous prime is 3520009. The next prime is 3520021. The reversal of 3520020 is 200253.
3520020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 3519978 and 3520005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3520021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121366 + ... + 121394.
It is an arithmetic number, because the mean of its divisors is an integer number (85960).
Almost surely, 23520020 is an apocalyptic number.
3520020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3520020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6189120).
3520020 is an abundant number, since it is smaller than the sum of its proper divisors (8858220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3520020 is a wasteful number, since it uses less digits than its factorization.
3520020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82 (or 63 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 12.
The square root of 3520020 is about 1876.1716339397. The cubic root of 3520020 is about 152.1183865324.
Adding to 3520020 its reverse (200253), we get a palindrome (3720273).
The spelling of 3520020 in words is "three million, five hundred twenty thousand, twenty".
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